Sales Tax Calculator

The Sales Tax Calculator works out how much tax will be added to a purchase and your total cost. It's free to use and needs no sign-up, so shoppers and business owners can check totals in seconds. It's useful when budgeting a purchase, pricing an invoice, or comparing costs across different tax jurisdictions.

What is Sales Tax Calculator?

Sales tax is a percentage added to the price of goods or services at the point of sale, and the rate is set by the state, province, or country where the sale happens. Because rates vary widely between locations and can change over time, this calculator asks you to enter the applicable rate so the result reflects your specific location rather than a single number. The output shows the tax amount separately from the final total, which makes it easy to see exactly how much tax you're paying.

How to use Sales Tax Calculator

1. Enter the pre-tax price of the item or service.
2. Enter the sales tax rate that applies in your location.
3. See the tax amount and the final total price instantly.

Key features

• Calculates sales tax amount from any price and rate you enter
• Shows the final total alongside the tax amount
• Flexible rate field to match your specific state, province, or country
• Free, fast, and requires no account

Related tools

Check GST amounts with the GST Calculator, work out savings using the Discount Calculator, or review pricing with the Margin Calculator.

Frequently asked questions

Is Sales Tax Calculator free?

Yes, the Sales Tax Calculator is completely free with no sign-up needed. You can calculate totals for as many purchases as you like.

Why doesn't the calculator have a built-in default tax rate?

Sales tax rates vary significantly by state, county, city, and country, and they change from time to time, so there is no single accurate default. Entering your local rate directly keeps the calculation accurate for your specific situation.

How do I find my local sales tax rate?

Your local government's tax authority website is generally the most reliable source for the current published rate in your area. Once you have that rate, you can enter it into the calculator for an accurate total.

Is this the same as a GST or VAT calculation?

Sales tax, GST, and VAT are related but structured differently depending on the country's tax system. This calculator works for a simple percentage-based sales tax, while our dedicated GST tool is better suited for GST-specific calculations.